How to Test the Protective Bonding Conductor - Testing and Fault Finding Hints and Tips - AM2 & AM2S

This video should help you understand why you must disconnect both end of the protective bonding conductor during your end point assessment AM2, AM2S or AM2E for apprentice electricians when doing the fault finding element of the assessment. Often at college you only have 2 short pieces of copper pipe to simulate the gas and water. In reality the water and gas pipes are connected together by other metalwork at say areas like boilers. In this video we show how to prove you have a continuous protective bonding conductor from the consumer unit or distribution board to the connection on the water and gas when you have installed the circuit wiring yourself. Next we look at the best way to test the protective bonding conductor when it's already install and possible has a fault on it. In this video I highlight the metalwork that creates this parallel Earth path and the importance of disconnecting both end of the protective bonding conductor under test. when fault finding.
🔵 Measuring the Continuity (Resistance in Ohms) of the Protective Bonding Conductor to Water and Gas • Measuring the Continui...
🔵 AM2 and AM2S 10 Stages of Safe Isolation for a 3 Phase Distribution Board (3 Phase Supply) How To • 10 Stages of Safe Isol...
🔵 Electrical Fault Finding Protective Bonding Conductor to Gas and Water. AM2 and AM2S Assessment • Electrical Fault Findi...
= 🕐 Time Stamps - Cut to the action 🕕 ==
00:00 - Testing the protective bonding conductor
00:35 - Protective bonding test video link
01:36 - 3 phase distribution board
02:07 - Safe isolation of a 3 phase distribution board
02:29 - Testing the protective bonding conductor to the water pipe clamp
03:13 - Testing the protective bonding conductor to the water pipe
04:16 - Testing the protective bonding conductor to the gas pipe clamp
04:34 - Testing the protective bonding conductor to the gas pipe
04:54 - Fault finding
05:37 - Getting a reading but the protective bonding conductor broken
06:14 - Parallel earth path explained
07:05 - Getting no reading but the protective bonding conductor is NOT broken
08:47 - Don't panic
09:37 - Disconnect from both ends
Videos are training aids for City and Guilds (C and G) and EAL courses Level 1, 2, 3 plus AM2, AM2S and AM2E.
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[@gbelectricks]

Great explanation Gaz, I always like disconnecting both ends, out of preference. Then just a quick test from the clamp to the copper pipe as a secondary check.
This parallel path scenario is a real problem when attempting to perform a 22K extraneous conductive part test. Great video btw👍

[@GSHElectrical]

Thanks 👍🏻

[@therealdojj]

Fair play to pointing out an error when it's been discovered 👍
So many people, in all walks of life, don't

[@GSHElectrical]

I just want to help 👍🏻. Thanks for commenting and watching. Gaz

[@Mike_5]

Nice real life scenario explained in detail by someone who knows what they are talking about

[@GSHElectrical]

Thanks for watching and the kind words 👍🏻

[@seandempsey7351]

It’s not often that Gaz makes a mistake but if he does he always puts it right. And he always the first to admit when he is wrong ,
Personally I can’t fault him he’s a fantastic teacher.👍

[@rektsaltysquad4225]

Re-sitting my AM2, I PANICKED when doing the fault finding of the bonding because of the parallel paths, this is a massive help

[@GSHElectrical]

All the best 👍🏻

[@detroutspinners9933]

Sitting my AM2S soon - your videos have taught me more than college has. Thanks for all you do for us apprentices.

[@GSHElectrical]

All the best with your AM2S and a massive thanks for watching 👍🏻. Gaz

[@darkdepth1991]

Best teacher in the world ! 🤩🤩🤩🤩Theory, on paper and real life scenario.

[@GSHElectrical]

Thanks for the great comment and watching 👍🏻

[@avfczoff]

Fantastic video again Gary. What an excellent teacher you are. Clearly explains everything everytime. Well done sir

[@johnwaby4321]

Nicely explained. . It's always a problem with fault finding you can soon loose track of what your doing and end up in a mess

[@GSHElectrical]

Thanks for commenting and watching 👍🏻

[@gcelec7884]

This guy is a legend

[@GSHElectrical]

Thanks 👍🏻

[@DrJALAGHARI]

Thanks for sharing this information. Really Helpful.

[@GSHElectrical]

Thanks for watching 👍🏻

[@angelofranklin1]

A very good tip thank you

[@GSHElectrical]

Thanks for watching and commenting 👍🏻

[@danielteyehuago1633]

Thanks for sharing it with us

[@GSHElectrical]

Thanks for watching 👍🏻

[@seandempsey7351]

Brilliant Gaz and thank you for correcting your mistake . We all make mistakes sometimes , and it takes a real professional to admit it and correct the mistakes. Nice job well explained and easy to understand. Fantastic video as always 👍👍👍❤️

[@GSHElectrical]

Always happy to help 👍🏻

[@shiamjad]

Very Informative

[@GSHElectrical]

Thanks

[@UKLeonie]

Explained much better

[@hasankhan-ey5oz]

Nice information 👍

[@GSHElectrical]

Thank

[@bigashelectrics258]

Mentor won't be catching me out on this one now 👌

[@GSHElectrical]

😃👍🏻

[@tdhpst]

More details on doubling up please🙏

[@AviKhali]

Forgive for asking what is probably a silly question, how does removing the clamp stop the parallel earth path to the other pipe, it's copper?

[@pnxelectrical]

Forgive me but shouldnt we be checking for diverted currents before disconnection of the bonding conductor? I know it'll be highly unlikely to have any circulating currents (with it being a sterile test rig) but they did update GN3 to include this pre-check before disconnection of bonding conductors along with how to mitigate them with bridging while the test is performed.

[@GSHElectrical]

More content to follow

[@ELECTRICLIFE4U]

👍👍👍👍👍

[@GSHElectrical]

Thanks

[@ELECTRICLIFE4U]

@@GSHElectrical You do a good job, every time

[@liamtaylor5122]

my brain just commited suicide whilst watching this video

[@GSHElectrical]

🤦🏻‍♂️

[@liamtaylor5122]

@@Paul-ym4mz nah joiner explains a lot lol